Opening explorer
Walk any move order through the catalog: pick a book continuation and watch the board, or open the matching ECO lines on the side. By default move orders are strict — flip the toggle to group by position and pull in transpositions.
1. c4 e5 2. Nc3 Nf6 3. g3 Bb4
◀ Undo move
♞ You have reached English Opening: King's English Variation, Two Knights Variation, Smyslov System A22 — the catalogued line ends exactly here.
Book continuations win% from 1.5M rated games
Matching openings 3
- English Opening: King's English Variation, Reversed Closed Sicilian A25 5 plies deeper
- English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc6 A29 8 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia